Tangential flow membrane pool structure

Abstract

The utility model provides a tangential flow membrane pool structure which comprises a membrane pool assembly, the membrane pool assembly is located on a pressing assembly, a press machine is installed at the bottom of the pressing assembly, and the membrane pool assembly comprises an upper-layer membrane pool structure, a middle-layer membrane pool structure, a lower-layer membrane pool structure, a plurality of filtering membranes and a plurality of membrane supporting pieces. The tangential flow membrane pool structure has the beneficial effects that the tangential flow membrane pool structure is a layered structure, the layered structure is detachable, and the sectional area of a single layer is larger; multiple layers can be stacked for use; meanwhile, the high sealing performance and the high pressure resistance are achieved through the pressing assembly; and the pressing assembly is also convenient to operate.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the membrane pool structure field especially is concerned with a tangential flow membrane pool structure. BACKGROUND

[0002] At present, the tangential flow membrane package commonly used in the market is integrally packaged, and the membrane and the membrane shell are integrated together, if more material or aperture specification membrane is selected for screening test, it will be limited, and the non-reusable membrane pool causes high test cost in the replacement of the original liquid or in the selection of the filtration process. In addition, there are also commercial detachable membrane pools on the market, but the cross-sectional area of each membrane pool unit is small, and more bolts are needed for fixation, when multiple membrane sheets are used for operation at the same time, the operation difficulty is increased, and the pressure stress is uneven. In addition, the use pressure of these membrane elements is usually below 4bar, which also limits the selection of the membrane. SUMMARY

[0003] Therefore, the utility model aims at providing a tangential flow membrane pool structure to solve the problems of the existing membrane pool structure, such as non-detachable, small single-layer cross-sectional area, unable to be stacked in multiple layers, low sealing performance, poor pressure resistance and the like.

[0004] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:

[0005] A tangential flow membrane pool structure, comprising a membrane pool assembly, the membrane pool assembly is located on a compression assembly, a press machine is installed at the bottom of the compression assembly, the membrane pool assembly comprises an upper layer membrane pool structure, a middle layer membrane pool structure, a lower layer membrane pool structure and a plurality of filter membranes and membrane support pieces, the upper layer membrane pool structure, the middle layer membrane pool structure and the lower layer membrane pool structure are sequentially arranged from top to bottom; filter membranes are installed between the upper layer membrane pool structure and the upper layer of the middle layer membrane pool structure, and between the lower layer of the middle layer membrane pool structure and the upper layer of the lower layer membrane pool structure; one membrane support piece is installed below each filter membrane.

[0006] Further, the upper layer membrane pool structure comprises an upper layer membrane pool body and two upper layer pipelines, both of which are arranged inside the lower part of the upper layer membrane pool body, upper layer inlets and upper layer outlets are formed on both sides of the upper layer membrane pool body, the upper layer inlets and the upper layer outlets are respectively communicated with one upper layer pipeline, a plurality of upper layer S-shaped flow channels are arranged at the bottom of the upper layer membrane pool body, and the plurality of upper layer S-shaped flow channels are respectively communicated with the two upper layer pipelines.

[0007] Further, the middle layer membrane pool structure comprises a middle layer membrane pool body and four middle layer pipelines, a middle layer inlet and three middle layer outlets are arranged on the two sides of the middle layer membrane pool body, two middle layer pipelines are arranged above the middle layer membrane pool body and are connected with one middle layer outlet respectively, and the other two middle layer pipelines are arranged below the middle layer membrane pool body and are connected with one middle layer inlet and one middle layer outlet respectively, a plurality of middle layer S-shaped flow channels are arranged at the upper and lower ends of the middle layer membrane pool body, the middle layer S-shaped flow channel at the upper end of the middle layer membrane pool body is used in cooperation with the upper layer S-shaped flow channel, and a filter membrane and a membrane support are arranged between the two middle layer S-shaped flow channels, and the middle layer S-shaped flow channel at the lower end of the middle layer membrane pool body is used in cooperation with the lower layer membrane pool structure.

[0008] Further, the lower layer membrane pool structure comprises a lower layer membrane pool body and two lower layer pipelines, the two lower layer pipelines are arranged above the lower layer membrane pool body, two lower layer outlets are arranged on the two sides of the lower layer membrane pool body, one lower layer pipeline is connected with each lower layer outlet, and a plurality of lower layer S-shaped flow channels are arranged on the bottom of the lower layer membrane pool body, the lower layer S-shaped flow channel is used in cooperation with the middle layer S-shaped flow channel at the lower end of the middle layer membrane pool body, and the lower layer S-shaped flow channel is connected with the two lower layer pipelines respectively.

[0009] Further, the upper end of the upper layer membrane pool body, the upper and lower ends of the middle layer membrane pool body and the upper end of the lower layer membrane pool body are provided with concave-convex structures.

[0010] Further, a plurality of sealing rings are arranged, recesses for arranging the sealing rings are arranged on the upper end of the upper layer membrane pool body, the upper and lower ends of the middle layer membrane pool body and the upper end of the lower layer membrane pool body.

[0011] Further, the compression assembly comprises four screw rods and three fixed plates, the four corners of the three fixed plates are connected through the four screw rods, the membrane pool assembly is arranged between the upper two fixed plates, and the press machine is arranged between the lower two fixed plates.

[0012] Further, the membrane support is a support net plate.

[0013] Compared with the prior art, the tangential flow membrane pool structure has the following advantages:

[0014] The tangential flow membrane pool structure has the following advantages: BRIEF DESCRIPTION OF DRAWINGS

[0015] The accompanying drawings, which form a part of this patent, are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application. In the drawings:

[0016] Figure 1 The whole structure schematic view of the embodiment of the present application;

[0017] Figure 2 The membrane cell assembly schematic view of the embodiment of the present application;

[0018] Figure 3 The membrane cell assembly front view schematic view of the embodiment of the present application;

[0019] Figure 4 The membrane cell assembly front view angle cross-sectional schematic view of the embodiment of the present application;

[0020] Figure 5 The membrane cell assembly top view schematic view of the embodiment of the present application;

[0021] Figure 6 The membrane cell assembly top view angle cross-sectional schematic view of the embodiment of the present application;

[0022] Figure 7 The upper layer membrane cell structure schematic view of the embodiment of the present application;

[0023] Figure 8 The upper layer membrane cell structure bottom view schematic view of the embodiment of the present application;

[0024] Figure 9 The upper layer membrane cell structure cross-sectional schematic view of the embodiment of the present application;

[0025] Figure 10 The middle layer membrane cell structure schematic view of the embodiment of the present application;

[0026] Figure 11 The middle layer membrane cell structure top view schematic view of the embodiment of the present application;

[0027] Figure 12 The middle layer membrane cell structure cross-sectional schematic view of the embodiment of the present application;

[0028] Figure 13 The lower layer membrane cell structure schematic view of the embodiment of the present application;

[0029] Figure 14 The lower layer membrane cell structure cross-sectional schematic view of the embodiment of the present application.

[0030] BRIEF DESCRIPTION OF THE DRAWINGS

[0031] 1, membrane cell assembly; 11, upper layer membrane cell structure; 111, upper layer membrane cell body; 1111, upper layer inlet; 1112, upper layer outlet; 112, upper layer pipeline; 113, upper layer S-shaped flow channel; 12, middle layer membrane cell structure; 121, middle layer membrane cell body; 1211, middle layer inlet; 1212, middle layer outlet; 122, middle layer pipeline; 123, middle layer S-shaped flow channel; 13, lower layer membrane cell structure; 131, lower layer membrane cell body; 1311, lower layer outlet; 132, lower layer pipeline; 133, lower layer S-shaped flow channel; 2, compression assembly; 21, screw rod; 22, fixed plate; 3, press. DETAILED DESCRIPTION

[0032] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0033] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" and the like are only for description purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0034] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0035] The present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0036] As Figures 1 to 14As shown, a tangential flow membrane cell structure comprises a membrane cell assembly 1 located on a compression assembly 2, the compression assembly 2 is provided with a press 3 at the bottom, the membrane cell assembly 1 comprises an upper layer membrane cell structure 11, a middle layer membrane cell structure 12, a lower layer membrane cell structure 13 and a plurality of filter membranes and membrane support members, the upper layer membrane cell structure 11, the middle layer membrane cell structure 12 and the lower layer membrane cell structure 13 are sequentially arranged from top to bottom; the upper layer membrane cell structure 11 and the upper layer membrane cell structure 12 are provided with a filter membrane, and the lower layer membrane cell structure 13 is provided with a filter membrane below each filter membrane.

[0037] The tangential flow membrane cell structure is a layered structure, the layered structure is detachable, and the single-layer cross-sectional area is large; the layered structure can be used in multiple layers; the compression assembly has high sealing performance and pressure resistance; and the compression assembly is convenient to operate.

[0038] In a preferred embodiment of the utility model, the upper layer membrane cell structure 11 comprises an upper layer membrane cell body 111 and two upper layer pipelines 112, both of which are arranged below the inside of the upper layer membrane cell body 111, the upper layer membrane cell body 111 is provided with an upper layer inlet 1111 and an upper layer outlet 1112 on both sides, the upper layer inlet 1111 and the upper layer outlet 1112 are respectively connected with one upper layer pipeline 112, and the bottom of the upper layer membrane cell body 111 is provided with a plurality of upper layer S-shaped flow channels 113, which are respectively connected with the two upper layer pipelines 112. In this embodiment, one of the upper layer pipelines 112 is used for injecting the raw liquid to be filtered, and the other upper layer pipeline 112 is used for discharging the filtered waste liquid. The raw liquid to be filtered entering from the upper layer pipeline 112 passes through the upper layer S-shaped flow channel 113 and reaches the upper layer of the middle layer membrane cell structure 12 through the filter membrane, and then flows into the external storage container through the two middle layer pipelines 122 arranged above the inside of the middle layer membrane cell structure 12. In actual use, the filter membrane is placed horizontally, the membrane cell end surface in contact with the filter membrane is arranged with a plurality of S-shaped flow channels, the length of each group of flow channels is equal, each group of flow channels has an inlet and an outlet, and the fluid in each group of flow channels can flow at the same speed, so as to ensure the filtering pressure of the flat plate filter membrane. Even if the cross-sectional area of the single-layer membrane cell is increased, the uniform flow channel pressure can also be obtained.

[0039] In the preferred embodiment of the utility model, the middle layer membrane pool structure 12 includes a middle layer membrane pool body 121 and four middle layer pipelines 122, a middle layer inlet 1211 and three middle layer outlets 1212 are arranged on both sides of the middle layer membrane pool body 121, two middle layer pipelines 122 are arranged on the upper part of the middle layer membrane pool body 121, and are connected with one middle layer outlet 1212 respectively, and the other two middle layer pipelines 122 are arranged on the lower part of the middle layer membrane pool body 121, and are connected with one middle layer inlet 1211 and one middle layer outlet 1212 respectively, a plurality of middle layer S-shaped flow channels 123 are arranged on the upper and lower ends of the middle layer membrane pool body 121, the middle layer S-shaped flow channel 123 on the upper end of the middle layer membrane pool body 121 is used in cooperation with the upper layer S-shaped flow channel 113, and a filter membrane and a membrane support are arranged between the two, and the middle layer S-shaped flow channel 123 on the lower end of the middle layer membrane pool body 121 is used in cooperation with the lower layer membrane pool structure 13. In the embodiment, the two middle layer pipelines 122 on the upper part of the middle layer membrane pool body 121 are used for flowing out of the original solution filtered by the upper layer membrane pool structure 11 and the filter membrane, and the two middle layer pipelines 122 on the lower part of the middle layer membrane pool body 121 are used for flowing into the original solution to be filtered and flowing out of the waste liquid. In actual use, the middle layer membrane pool structure 12 can be multiple.

[0040] In the preferred embodiment of the utility model, the lower layer membrane pool structure 13 includes a lower layer membrane pool body 131 and two lower layer pipelines 132, the two lower layer pipelines 132 are arranged on the upper part of the lower layer membrane pool body 131, two lower layer outlets 1311 are arranged on both sides of the lower layer membrane pool body 131, one lower layer pipeline 132 is connected with each lower layer outlet 1311, a plurality of lower layer S-shaped flow channels 133 are arranged on the bottom of the lower layer membrane pool body 131, the lower layer S-shaped flow channel 133 is used in cooperation with the middle layer S-shaped flow channel 123 on the lower end of the middle layer membrane pool body 121, and the lower layer S-shaped flow channel 133 is connected with the two lower layer pipelines 132 respectively. In the embodiment, the filter membrane and the membrane support are arranged between the lower layer S-shaped flow channel 133 and the middle layer S-shaped flow channel 123 on the lower end of the middle layer membrane pool body 121, and the original solution filtered between the middle layer S-shaped flow channel 123 and the middle layer S-shaped flow channel 123 flows into the external storage container through the two lower layer pipelines 132.

[0041] In the preferred embodiment of the utility model, the lower layer membrane pool structure 13 includes a lower layer membrane pool body 131 and two lower layer pipelines 132, the two lower layer pipelines 132 are arranged on the upper part of the lower layer membrane pool body 131, two lower layer outlets 1311 are arranged on both sides of the lower layer membrane pool body 131, one lower layer pipeline 132 is connected with each lower layer outlet 1311, a plurality of lower layer S-shaped flow channels 133 are arranged on the bottom of the lower layer membrane pool body 131, the lower layer S-shaped flow channel 133 is used in cooperation with the middle layer S-shaped flow channel 123 on the lower end of the middle layer membrane pool body 121, and the lower layer S-shaped flow channel 133 is connected with the two lower layer pipelines 132 respectively. In the embodiment, the filter membrane and the membrane support are arranged between the lower layer S-shaped flow channel 133 and the middle layer S-shaped flow channel 123 on the lower end of the middle layer membrane pool body 121, and the original solution filtered between the middle layer S-shaped flow channel 123 and the middle layer S-shaped flow channel 123 flows into the external storage container through the two lower layer pipelines 132.

[0042] In a preferred embodiment of the utility model, the upper membrane pool body 111 lower end, the middle membrane pool body 121 upper and lower two ends, the lower membrane pool body 131 upper end are all provided with grooves for installing sealing rings, in this embodiment, the sealing ring size can not be equal circumference, can form the structure of big circle nest small circle, when the filter membrane is placed between the two layers, the S-shaped sealing structure is formed, and the pressure capacity is increased. And not limited to two end faces each having a sealing ring, it can also be that the upper layer plate 1 is one, the lower layer plate 2 is two, or the upper and lower layer plates are both two structures.

[0043] In a preferred embodiment of the utility model, the pressing assembly 2 includes four screw rods 21 and three fixed plates 22, the four corners of the three fixed plates 22 are connected through the four screw rods 21, the membrane pool assembly 1 is placed between the upper two fixed plates 22, and the press 3 is installed between the lower two fixed plates 22, in actual use, such concave-convex membrane pool does not design fastening bolts, adopts the three-plate four-column press to press, compared with the existing screw-fixed membrane pool pressure, the pressing assembly 2 cooperates with the press 3 to achieve the purpose of uniform pressure on the multi-layer membrane pool structure, and is also convenient to disassemble, to prevent the press from retracting, only the nut is installed on the four columns, the press needs to have oil pressure display function, so an oil pressure display table can also be installed.

[0044] In a preferred embodiment of the utility model, the membrane piece support can be a support net plate, in actual use, the filter membrane is placed horizontally, the membrane pool end surface in contact with the filter membrane lower surface is provided with a support net plate with higher strength and certain aperture, the support net plate lower surface is a flexibly arranged support column, thereby forming a channel for the liquid to flow out, and the maximum operating pressure of the feed liquid can be guaranteed to be 1MPa.

[0045] In an embodiment, each layer of membrane pool structure can perform one-time filtration of multiple primary liquids in parallel, or multiple filtrations can be performed through the multi-layer membrane pool structure, and the specific filtration mode can be determined according to actual conditions.

[0046] The above only describes preferred embodiments of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A tangential flow membrane cell structure, characterized by: The application relates to a membrane tank assembly (1) which is arranged on a pressing assembly (2), and a pressing machine (3) is arranged at the bottom of the pressing assembly (2), wherein the membrane tank assembly (1) comprises an upper-layer membrane tank structure (11), a middle-layer membrane tank structure (12), a lower-layer membrane tank structure (13) and a plurality of filter membranes and membrane supports, and the upper-layer membrane tank structure (11), the middle-layer membrane tank structure (12) and the lower-layer membrane tank structure (13) are sequentially arranged from top to bottom; filter membranes are arranged between the upper-layer membrane tank structure (11) and the upper layer of the middle-layer membrane tank structure (12) and between the lower layer of the middle-layer membrane tank structure (12) and the upper layer of the lower-layer membrane tank structure (13), and one membrane support is arranged below each filter membrane.

2. A tangential flow membrane cell structure according to claim 1, characterised in that: The upper-layer membrane tank structure (11) comprises an upper-layer membrane tank body (111) and two upper-layer pipelines (112), the two upper-layer pipelines (112) are arranged below the inside of the upper-layer membrane tank body (111), upper-layer inlets (1111) and upper-layer outlets (1112) are formed in the two sides of the upper-layer membrane tank body (111), the upper-layer inlets (1111) and the upper-layer outlets (1112) are respectively connected with one upper-layer pipeline (112), and a plurality of upper-layer S-shaped flow channels (113) are arranged on the bottom of the upper-layer membrane tank body (111) and are respectively connected with the two upper-layer pipelines (112).

3. A tangential flow membrane cell structure according to claim 2, characterised in that: The middle-layer membrane tank structure (12) comprises a middle-layer membrane tank body (121) and four middle-layer pipelines (122), middle-layer inlets (1211) and middle-layer outlets (1212) are formed in the two sides of the middle-layer membrane tank body (121), two middle-layer pipelines (122) are arranged above the inside of the middle-layer membrane tank body (121) and are respectively connected with one middle-layer outlet (1212), the other two middle-layer pipelines (122) are arranged below the inside of the middle-layer membrane tank body (121) and are respectively connected with one middle-layer inlet (1211) and one middle-layer outlet (1212), a plurality of middle-layer S-shaped flow channels (123) are arranged on the upper and lower ends of the middle-layer membrane tank body (121), the middle-layer S-shaped flow channels (123) on the upper end of the middle-layer membrane tank body (121) are used in cooperation with the upper-layer S-shaped flow channels (113), filter membranes and membrane supports are arranged between the two, and the middle-layer S-shaped flow channels (123) on the lower end of the middle-layer membrane tank body (121) are used in cooperation with the lower-layer membrane tank structure (13).

4. A tangential flow membrane cell structure according to claim 3, characterised in that: The lower-layer membrane tank structure (13) comprises a lower-layer membrane tank body (131) and two lower-layer pipelines (132), the two lower-layer pipelines (132) are arranged above the inside of the lower-layer membrane tank body (131), two lower-layer outlets (1311) are formed in the two sides of the lower-layer membrane tank body (131), each lower-layer outlet (1311) is respectively connected with one lower-layer pipeline (132), a plurality of lower-layer S-shaped flow channels (133) are arranged on the bottom of the lower-layer membrane tank body (131), the lower-layer S-shaped flow channels (133) are used in cooperation with the middle-layer S-shaped flow channels (123) on the lower end of the middle-layer membrane tank body (121), and the lower-layer S-shaped flow channels (133) are respectively connected with the two lower-layer pipelines (132).

5. A tangential flow membrane cell structure according to claim 4, characterised in that: The upper layer membrane pool body (111) lower end, the middle layer membrane pool body (121) upper and lower two ends, and the lower layer membrane pool body (131) upper end are all provided with concave-convex structures.

6. A tangential flow membrane cell structure according to claim 4, wherein: Further comprising a plurality of sealing rings, the upper layer membrane pool body (111) lower end, the middle layer membrane pool body (121) upper and lower two ends, and the lower layer membrane pool body (131) upper end are all provided with grooves for installing the sealing rings.

7. A tangential flow membrane cell structure according to claim 1 wherein: The pressing assembly (2) comprises four screw rods (21) and three fixed plates (22), the four corners of the three fixed plates (22) are connected through the four screw rods (21), the membrane pool assembly (1) is placed between the upper two fixed plates (22), and the press (3) is installed between the lower two fixed plates (22).

8. A tangential flow membrane cell structure according to claim 1, wherein: The diaphragm support is a support net plate.

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